00509nam a22001937a 450000500170000001000110001702000100002803500110003803700160004904000120006508200160007710000200009324500800011326000450019330000250023850000190026365000160028270000170029820170124110037.0  a745714  c00.00  a745714  bCen Lib/Ret  aDPLbEN  a370.15bDAV  aDavitz, Joel R.  aPsychology of the educational process /cby Joel R.Davitz [and] Samuel Ball  aNew YorkbMcGraw-Hill Book Companyc1970  axii,643p. c24cm(Hb)  aIncludes index  aPsychology.  aBall, Samuel